The DBJ-1 VHF-UHF Dual Band J-Pole
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Instructions for building a budget-friendly high-performance dual band base antenna for VHF and UHF bands.
Description
The document is a PDF detailing the construction of the DBJ-1 VHF-UHF Dual Band J-Pole antenna for amateur radio use. It provides instructions on how to build a high-performance dual band base antenna for VHF and UHF bands using a single feed line for less than $10.
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